[ASARS-1]

The Advanced Synthetic Aperture Radar System [ASARS-1] is a real-time,
high-resolution reconnaissance system carried on the SR-71 with all-weather, day-night, long-range mapping capabilities. ASARS-1 detects and accurately locates stationary and moving
ground targets. The system can survey more than 100,000 square miles of the Earth's
surface in one hour.